No. 2 Phil Power Bit 3-1/2 in.

Features and Benefits:

• Used in high torque power tools
• Designed for use in power drill chuck and chuck adapter
• Power bits are screwdriving bits that are longer to work with both power drills and impact screwdrivers
• All IRWIN fastener drive bits are manufactured to meet ANSI standards
• Forged from high-grade S2 steel, IRWIN bits are between 58 and 62 on the Rockwell hardness scale